The phrase "are also invoked" is correct and usable in written English.
It can be used when discussing situations where certain concepts, ideas, or actions are called upon or referenced in a particular context.
Example: "In this study, various theories are also invoked to support the main argument."
Alternatives: "are also called upon" or "are also referenced".
The oddball Old Masters Joos de Momper and Giuseppe Arcimboldo are also invoked, as is the godfather of Belgian art — and the master of painterly enigma — Magritte.
The concepts are also invoked in bioethics, environmental ethics, business ethics, workplace ethics, and a host of other applied ethics contexts.
Meanwhile, the API interfaces of No.10 (trends/hourly), No.11 (trends/daily) and No.12 (trends/weekly) are also invoked, in order to get the hot topics in the latest 1 h, 1 day, and 1 week.
Jerry Yang of Yahoo and G. Kennedy Thompson of Wachovia are also invoked, among others.
The perverse irony about Singapore's strict laws against racist speech is that they keep the lid on a hierarchy of color and caste that's presented to Western liberals as "multiculturalism" wrapped in "Confucian" traditions that are also invoked to justify subordinating Malay and Indian minorities to the country's Han Chinese majority.
First, such representations are also invoked without reaching [44], and may reflect more general, less exemplar-specific information such as motion of action (e.g. pour versus twist) [44] or type of grip (e.g. power versus precision) [46].
Ron Paul supporters, who aren't terribly happy with the party, are also invoking the Gipper.
But Cheney and O'Neill are also invoking a viscerally appealing idea: that a country is better off when it's economically self-sufficient, and not dependent on trade.
Implausible meteorological phenomena were also invoked: the countries' relations had become an "everlasting warm spring".
